@ghazalgesh.bsky.social
Scientist, Physics, Mathematics https://ghazalgeshnizjani.wordpress.com/ The posts here are my personal views.
@bot.astronomy.blue signup
12.09.2025 15:23 — 👍 1 🔁 0 💬 0 📌 0I’m doing a public talk with @perimeterinstitute.ca in Waterloo!
www.eventbrite.ca/e/how-the-un...
(Tickets are free but you have to be quick — Eventbrite ticket reservations open at 9am Eastern Sep 2, which is in… 5 minutes)
At least 62 Palestinians killed across enclave in Israeli attacks, as two more malnutrition deaths are recorded.
25.07.2025 00:30 — 👍 134 🔁 85 💬 3 📌 11
"Merger of two massive black holes is one for the record books"
@jenlucpiquant.bsky.social reports on our LIGO @egovirgo.bsky.social KAGRA discovery of #GW231123
arstechnica.com/science/2025...
🔭🧪⚛️
Friends Branding together to check on expats' elderly parents in Tehran, doctors staying in dangerous places providing free care, folks in rural areas providing free housing, food, and car rides, these are Iranian stories that you won't hear in the msm. We are human too and deserve to live.
19.06.2025 17:18 — 👍 2 🔁 1 💬 1 📌 0The White House has confirmed that “We” means the United States but won’t provide any other details.
17.06.2025 16:35 — 👍 194 🔁 71 💬 10 📌 10
Tehran, home to 10 million people, suffers from severe traffic congestion making a speedy evacuation impossible.
17.06.2025 17:00 — 👍 75 🔁 20 💬 6 📌 1"Modeling Gravitational Wave Bias from 3D Power Spectra of Spectroscopic Surveys" is out!🔭
Led by Dorsa Sadat Hosseini and a great collaboration with Amir Dehghani, Leo Kim, Alex Krolewski, and Suvodip Mukherjee across different institutes.
@jjlkim.bsky.social
@perimeterinstitute.ca @uwaterloo.ca
Iran’s air defence batteries have been firing overnight in the capital Tehran to counter a fourth night of Israeli strikes.
Iranian officials say Israeli attacks have killed more than 224 people, including 70 women and children.
My institute, Kavli-IPMU at the university of Tokyo is hiring early career researchers whose work has been disrupted due to difficult circumstances due to events happening at various places currently in the world. Please repost and encourage them to apply. 🙏🏻 www.ipmu.jp/en/job-oppor...
08.06.2025 15:07 — 👍 8 🔁 4 💬 1 📌 0
How did the universe begin?
PI researcher Niayesh Afshordi unpacks the history of the Big Bang theory and what the evidence tells us about the universe’s beginnings: perimeterinstitute.ca/news/perimet...
Do jets really need two wings? Think of the budget cuts if they only had one! @ligo.org
31.05.2025 01:05 — 👍 2 🔁 0 💬 0 📌 0NSF budget would close down one of LIGO's sites. This would be, to put it lightly, a catastrophe for gravitational wave astronomy.
"In FY 2026 NSF will operate only one of the two sites
and will support a reduced level for technology development."
bsky.app/profile/hast...
@nafshordi.bsky.social and I had a blast talking about our new book The Battle of the Big Bang with the legendary @seanmcarroll.bsky.social . You can check it out here: www.youtube.com/watch?v=iG1I...
26.05.2025 16:53 — 👍 31 🔁 5 💬 0 📌 0Thicket may go very fast, but you can also join the live stream 🙂 @nafshordi.bsky.social
23.05.2025 15:16 — 👍 2 🔁 1 💬 0 📌 0
My new book review is out! My goodness did this one take me on a journey… thanks for a great read @philhalper.bsky.social @nafshordi.bsky.social 🔭📖
physicsworld.com/a/beyond-the...
#BattleoftheBigBang is finally here!
Take advantage of a 30% discount by using this discount code (UCPNEW) when ordering from:
press.uchicago.edu/ucp/books/bo...
🚀 Paper Day! How Much NEC Breaking Can the Universe Endure?
Quantum fields violate NEC.
As an example of a semilocal quantum-motivated energy condition, check out the parameter space over which SNEC, is consistent with the recent results from #DESI.
@perimeterinstitute.ca @desisurvey.bsky.social
Hello, London!
I’m thrilled that I’ll be speaking at the iconic Royal Institution @ri-science.bsky.social on June 28th about #BattleoftheBigBang, which is also the topic of my upcoming book by @uchicagopress.bsky.social with @philhalper.bsky.social
Book your tickets here: rigb.org/whats-on/bat...
سال نو مبارک و نوروزتان پیروز.
امیدوارم آغاز بهار و سال جدید با همنوع دوستی، مهربانی و خردمندی بیشتر رقم بخوره 🙂 🐣 🪻🌱
Happy Nowruz,
May the new turn of earth around the sun brings us all more empathy for each other, kindness, and wisdom. #Nowruz @perimeterinstitute.ca
Thank you.
We're strongest when we are united.
If you’ve been hoping origin of cosmos could be less dramatic than current affairs, here’s a rigorous work by Amir Dehghani, Jerome Quintin & me showing Cuscuton bounce has no strong coupling problems & is within observational non-Gaussianity bounds.
#cosmology @perimeterinstitute.ca @uwaterloo.ca
After going quiet on bird flu, CDC scientists have published a report on its spread among veterinarians. The findings suggest a need for better surveillance.
13.02.2025 18:16 — 👍 3744 🔁 1326 💬 125 📌 131
A thin ring of a perfect circular shape and a piercingly bright white disc in its middle are the protagonists of this image. They stand out against a uniformly coloured background of a hazy dark grey. The ring appears as if it was a faint brush stroke, where at four evenly spaced spots more pressure was applied on the brush. These stand out in the ring as four brighter and thicker spots. The white disc within the ring gives the impression of a gaping hole in the image, through its stark contrast to the dark background.
This is the first time that the ring of light surrounding the centre of NGC 6505 is detected, thanks to Euclid’s high-resolution instruments.
🔭🧪
#cosmology
bispectrum/non-gaussianities calculations and Canadian prime minister in one frame 😎 #theoreticalphysics #canadastrong
@perimeterinstitute.ca
The world’s biggest radio telescope is starting to take shape here in Australia and the SKA team is looking for folks to come join this exciting mega-project.
Science jobs! 👇🏽
Fair point, but I like the grading app. More efficient, you can grade in parallel, comment in latex, and reuse them, especially helpful since my handwriting and spelling are both terrible 😀
also, the disputes can be resolved easier since the solutions and comments are recorded.
Are these exam booklets? Do you grade the hard copies?
22.01.2025 19:26 — 👍 1 🔁 0 💬 1 📌 0
Black and white photo of Felix Klein. He wears a dark jacket, white shirt with a high collar, and a thin black bow tie. Klein has a neat, short beard and his hair is parted on the far right. He is looking just to the right of and slightly above the photographer, with a serious and thoughtful expression on his face.
Black and white photo of Emmy Noether. She wears a white blouse with fine vertical stripes and puffy shoulders, and a light gray skirt fastened at the waist with a dark belt. There is a puffy black bow at her collar. Noether's dark hair is pulled back, and she is looking just down and to the right of the photographer. She is standing behind an ornate chair; only the back of the chair is visible in the photo.
A thread on Felix Klein, Emmy Noether, and credit where credit is due.
Felix Klein gave a lecture at the Mathematical Society of Göttingen #OTD in 1918. The title was “On Hilbert’s first note on the foundations of physics." 🧪 ⚛️ 👩🔬
